INDEX 



539 



Neck, i 35. 



— -ligament, li 165, 167. 



vertebrse, i 26-27, ^6; iii 83-84. 



Necrophorus, iii 396-398. 



— Germanica, ii log, tio. 



— vespillo, ii 109, no. 



Nectogale elegans, ii 35; iii 7f- 

 Nekton, iv435, 44S. (450. 



Nemachilus barbatulus, 1 283 : ii 

 Neraathelmia. See Thread-Worms. 

 Nematodes, ii 222. 

 Neniatus ribesii, iv 356. 



Nemertea. See Nemertines. 



Nemertines, i 304, 305-307 ; ii 93, 

 391, 444; iii 24, 419; iv 10, II, 439, 



Nemesia, i 392. [452-453. 



Nemotoius sylvestris, i 383. 



Neo-Lamarckism, iv 491. 



Neomenia, i 341. 



Neomylodon, ii 327; iv 474. 



Neotropical Region, iv 413, 414, 

 42S-434. [iii 382-3S3. 



Nepa cinerea, i 354: ii 108, 124, 440; 



Nepenthes, iv 70-71. 



Nephridia (sing, nephridium), i 



401. See also Excretory organs. 



Nephrops norvegicus, i 412. 

 Nepidse, ii 440-441; iii 382-383. 

 Nereis, i 425-429; ii 146-147; iii 97- 



98; iv 12, 44. 



Nerita polita, iv 323. 

 Neritic Zone, iv 435-441. 

 Nerve-cells, i 51 (illust.), 471 ; iv 6- 

 7, 9, 14, 17, 22-23. 



Nerve-centre, iv 9. See also Gan- 

 glia, &c. 



Nerve-cord (see also Nervous Sys- 

 tem), of invertebrates (higher), i 

 303-304, 306-307, 349, 400, 401, 407, 

 409, 428; iv 7-8, 9 (illust. ), 10, II- 

 J2, 13, 14, 15, 16, 17. _ 



— of vertebrates (primitive), i 293, 296- 

 297. [27. 



Nerve-flhres, i 51-52; iv 6, 8, 9, 14, 



Nerve-loop (see also Nervous Sys- 

 tem), of molluscs, i 310, 318, 320, 324, 

 325, 32S; iv 17-18, 19. 



Nerve-plate, iv 20 (iiiust.). 



Nerve-ring (see also Nervous Sys- 

 tem), of invertebrates (higher), i 303- 

 304, 306-307. 310, 328, 333, 349, 407, 

 409, 427, 428, 440, 443, 444, 448; iv 

 7, S, II, 12, 14, 15, 16, 17, 19. 



Nerves, i 50. 



— auditory, i 56. 



— cranial, i 52-53, 55. 



— olfactory, i 55-56 (illust.). 



— optic, i 58. 



— sensory, i 53. 



— spinal, i 51. 



Nerve-tissue, iii ro. See also Ner- 

 vous System. 



Nervous System, i 18, 49-53; iv i- 



— amphibians, iv 21. [5, 19-20. 



— annelids, i 428; iv 7-10, 34. 



— ar:ichnids, iv 15. 



— birds, i 149-T50; iv 22. 



— crustaceans, i 407, 409; iv 12-14. 



— development of, in vertebrate em- 

 bryo, iv 20. 



— echinoderms, i 454, 458. 



— evolution of, iv 6. 



— fishes, i 263, 270, 272; iv 21. 



— flat-worms, i 442, 444, 446. 



■ — insects, i 347, 349; iv 15-16. 



— invertebrates, higher, i 303-304. 



— lamp-shells, i 440. 



Nervous System (C^;//.) 



— mammals, i 49-53; iv 19-23. 



— molluscs, i 309, 310, 332; iv 16-19, 



— moss-polypes, i 438. [34-35- 



— myriapods, i 395; iv 14-15. 



— nemertines, i 306-307. 



— peripatus, i 400, 401; iv 14, 15. 



— reptiles, i 200, 202, 209. 



— sympathetic, i 50, 5-^; iv 19-20. 



— thread-worms, i 44S. 



primitive, i 293, 294, 295, 296-297, 



— vertebrates, i 63. [298, 301. 



— visceral, iv 10, 14, 16, 17. 



— wheel-animalcules, i 435. 



— zoophytes, iv 5-7. 

 Nestor meridionalis, ii 191. 



— notabilis, 1 166; ii 190, 191; iv 347. 



Nests and Nesting Habits (see 



also Dwellings): 



— amphibians, iii 437-438, 439, 442, 



— arachnids, i 393; iii 374-377. 



— birds, i 163, 179, 188, 189, igo; iii 

 449, 450, 451-452, 453-464. 466, 468, 

 469, 472; iv 59-61, 130-132, 1S6, 187- 

 188, 405-407. 



— fishes, iii 427-430; iv 157. 



— insects, i 373, 374, 379; ii 208-209; 

 iii 390-391, 392, 393, 394-396; iv 53- 

 54, 109- 1 10, 1 1 1- 1 1 2, 115, 116, 117, 

 12a, 126, 252-253, 254-255. 



— mammals, iii 478, 480, 483, 484, 493. 



— molluscs, iii 408. 



— myriapods, iii 372. 



— reptiles, i 209; iii 444-446, 447, 448. 



Net-Fishing, iv 262. 



Nettling organs, i 467, 471, 474; ii 



306, 309, 357, 361; iv 103, 104. 



Neurons, iv 6, 7, 8, 9, 20, 23 (illust,). 



Neuroptera, i 351, 374-380; ii no- 



116, 156, 157-158, 160, 161, 162, 211, 



213, 462-467; iii 30, 383-386; iv 120- 

 Newman, Edward, iii 396. [T26. 



Newt, common, iii 46. 



— crested, i 2^6 (illust.); iii 46, 47; iv 



— small, i 246. [152 (illust.). 



— Spanish, ii 334, 



— webbed, i 246; iii 46. 



Newts, i 245-246; ii 83, 457; iii 46, 

 117-119,^ 120-121, 332, 434, 435. 



— "Fish", i 247-24S; and see Sala- 

 manders. 



Newton, Alfred, iv 61, 246, 249, 309, 



387, 389, 406. 

 Newton, Sir Isaac, i 3. 



Nichomache, ii 339. [74. 



Nictitating membrane, i 192; iii 

 Night-hawk. See Night-jar. 

 Nightingale, i 160; iv 149. 



Night-jar, i 163; ii 56-57 (illust ■: ill 

 453. [(illust.), 454. 



Night-light animalcule, iv 453 



Nitrogen, i 33. 44; iv 65-6S. 



NOCtilUCa, i 4S9, 495 (illust.); iii 6; 



iv 453. 454- 

 Noetuidse. See Moths, owlet. 



Nodosaria, i 4S9 (illust.): iii 6. 



— scalaris, iv 454. 



Nopal, IV 260. 



Nose, of mammals, i 34, 55, 81; and 

 see Smell. 



Nose-leaf, of bats, i S2-83. 



Nostrils, amphibians, ii 423. 



— birds, i 182-183; '■' 62. 



- — - fishes, 1 258, 265; ii 422-423. 



— mammals, i 46, 72, 76, 100; ii 430. 



— reptiles, i 205, 216; ii 424-425; iii 



Notarchus, iii 107 (illust.). [208. 



Nothura maculosa, li 343. 

 Notidanus griseus, i 287. 

 Notochord, i 61, 292-293, 295, 298, 



301; iii 38-39, 40, 214, 216, 344. 



Notonecta, i 354-355; iii 29. 



— glauca, ii 124. 



Notonectidse, ii 440. [lii 206-207. 



Notoryctes typhlops, ii 43. 329; 



Nototrema, iii 442. 



Nuchal, i 214. [187. 



Nucifraga caryocatactes, 1 154: li 



Nucleus (pi. Nuclei), i 39, 469, 490, 

 49T, 493, 494, 496, 498; iii 317, 318, 

 319, 320, 323-325, 338; iv493. 



Nucula, i 338; iii 108. 



Nudibranchia, i 324, 326; li 100, 



306-307, 382; ill 36. 



— arquatus, i i6g; ii 67. 



— pheeopus, i i6y. [iv 249-250. 



Numida meleagris, i 172; ii 239; 

 Nummulina, i 496. 

 Nurse Hound, i 2S6. 

 Nut-cracker, i 154; ii 187. 

 Nut-hatches, i 157; ii 187; iii 264, 



454- 

 Nutrition, 1 32. See Food. 

 Nyctea Scandiaca, i 165; ii 279. 

 Nycteribia, iv 190. 

 Nycticebus tardigradus, li 319, 



320; iii 241, 242, 

 Nycticorax griseus, i 179. [320. 

 Nyctipithecus trivirgatus, ii 319, 

 Nymphalidse, ill 400. 

 Nymphs, bugs. Hi 3S1. 



— insects, net-winged, ii 464-465, 466; 

 ili 30, 384-385; iv 121, 122, 123. 



straight-winged, iii 378. 



O 



Oak, iv 79, 81-B2. 

 " Oak-apples ", iv 79. 

 "Oak spangles", 1372. 

 Obelia, i 478-4S0. 



Occipital bone, i 28. 



— condyles. See Condyles. 



Ocellus (pi. Ocelli), i 376. 

 Ocelot, iv 429. 



Ocneria dispar, iv 353, 359, 

 Octactinia, i 474. 476-478; iv 102. 



OctObOthrium merlangi, iv 200. 



— pollacbii, iv 200, 201 (illust.). 

 OctOCOralla, i 476-478. See also 



Sea- flower, eight-rayed. 



Octodon degus, i 132 (IHqslI 

 Octodons, i 131-132. [419. 



OctOpOda, i 315-316; iii 31-33, 418- 

 OCtOpuS, common, i 315; ii 94; lii 31- 

 32, 109-rio (illust.), 418. 



— musky, ii 94. 



— vulgaris. See Octopus, common. 

 OctOpi, i 315; iv 1S-19, 56-57, 348; 



and see Octopus. 

 Ocypoda arenarla, ii 141. 



— ceratophthalmus, ii T40-141; ill 171. 



— macrocera, iv 37. 



Ocypodidse, 11 mo: ill 171. 

 Ocypus olens. i 36S. 



Odonata, ii 464-465; iii 383-385. 



OdontOCeti, ii 26. See also Whales, 

 toothed. 



Odontoid peg, i 194. 



OdOntophore. See Rasping organ. 

 OdynerUS parietum, i 374. 

 ■ — reniformis, ili 392 (illust.). 



CEcodoma, li 208-209. 



